/* header共用样式 */
header{
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 30px;
  line-height: 30px;
  font-size: 14px;
  background-color: #F2F2F2;
  color:#999999;
  z-index: 999;
}
header ul{
  width: 60%;
  height: 100%;
  margin: 0 auto;
  padding-left: 80px;
}

header ul li {
  display: block;
  float: left;
  width: 70px;
  margin-left: 20px;
  text-align: center;
}
header ul li:nth-child(1){
  width: 120px;
}

.header-1 {
  width: 100%;
  height: 30px;
}